Gun stuff (#132)

* Guns can now be fully automatic.

Take that BYOND.

* Improve delay handling

* Bullet spread

* Fix firing guns on pickup

Content.Client/GameObjects/Components/Items/ClientHandsComponent.cs

@@ -27,6 +27,8 @@ namespace Content.Client.GameObjects
 
         [ViewVariables] private ISpriteComponent _sprite;
 
+        [ViewVariables] public IEntity ActiveHand => GetEntity(ActiveIndex);
+
         public override void OnAdd()
         {
             base.OnAdd();